1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
2 /*
3  * Copyright 2007-2021 VMware, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person
6  * obtaining a copy of this software and associated documentation
7  * files (the "Software"), to deal in the Software without
8  * restriction, including without limitation the rights to use, copy,
9  * modify, merge, publish, distribute, sublicense, and/or sell copies
10  * of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  *
25  */
26 
27 /*
28  * svga_overlay.h --
29  *
30  *    Definitions for video-overlay support.
31  */
32 
33 
34 
35 #ifndef _SVGA_OVERLAY_H_
36 #define _SVGA_OVERLAY_H_
37 
38 #include "svga_reg.h"
39 
40 #if defined __cplusplus
41 extern "C" {
42 #endif
43 
44 #define VMWARE_FOURCC_YV12 0x32315659
45 #define VMWARE_FOURCC_YUY2 0x32595559
46 #define VMWARE_FOURCC_UYVY 0x59565955
47 
48 typedef enum {
49 	SVGA_OVERLAY_FORMAT_INVALID = 0,
50 	SVGA_OVERLAY_FORMAT_YV12 = VMWARE_FOURCC_YV12,
51 	SVGA_OVERLAY_FORMAT_YUY2 = VMWARE_FOURCC_YUY2,
52 	SVGA_OVERLAY_FORMAT_UYVY = VMWARE_FOURCC_UYVY,
53 } SVGAOverlayFormat;
54 
55 #define SVGA_VIDEO_COLORKEY_MASK 0x00ffffff
56 
57 #define SVGA_ESCAPE_VMWARE_VIDEO 0x00020000
58 
59 #define SVGA_ESCAPE_VMWARE_VIDEO_SET_REGS 0x00020001
60 
61 #define SVGA_ESCAPE_VMWARE_VIDEO_FLUSH 0x00020002
62 
63 typedef struct SVGAEscapeVideoSetRegs {
64 	struct {
65 		uint32 cmdType;
66 		uint32 streamId;
67 	} header;
68 
69 	struct {
70 		uint32 registerId;
71 		uint32 value;
72 	} items[1];
73 } SVGAEscapeVideoSetRegs;
74 
75 typedef struct SVGAEscapeVideoFlush {
76 	uint32 cmdType;
77 	uint32 streamId;
78 } SVGAEscapeVideoFlush;
79 
80 #pragma pack(push, 1)
81 typedef struct {
82 	uint32 command;
83 	uint32 overlay;
84 } SVGAFifoEscapeCmdVideoBase;
85 #pragma pack(pop)
86 
87 #pragma pack(push, 1)
88 typedef struct {
89 	SVGAFifoEscapeCmdVideoBase videoCmd;
90 } SVGAFifoEscapeCmdVideoFlush;
91 #pragma pack(pop)
92 
93 #pragma pack(push, 1)
94 typedef struct {
95 	SVGAFifoEscapeCmdVideoBase videoCmd;
96 	struct {
97 		uint32 regId;
98 		uint32 value;
99 	} items[1];
100 } SVGAFifoEscapeCmdVideoSetRegs;
101 #pragma pack(pop)
102 
103 #pragma pack(push, 1)
104 typedef struct {
105 	SVGAFifoEscapeCmdVideoBase videoCmd;
106 	struct {
107 		uint32 regId;
108 		uint32 value;
109 	} items[SVGA_VIDEO_NUM_REGS];
110 } SVGAFifoEscapeCmdVideoSetAllRegs;
111 #pragma pack(pop)
112 
113 #if defined __cplusplus
114 }
115 #endif
116 
117 #endif
118